19782056

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5791}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 43092480

約数和(自身を除く): 23310424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 5791, 11582, 23164, 40537, 46328, 81074, 162148, 324296, 353251, 706502, 1413004, 2472757, 2826008, 4945514, 9891028, 19782056]

約数ペア:

[(1, 19782056), (2, 9891028), (4, 4945514), (7, 2826008), (8, 2472757), (14, 1413004), (28, 706502), (56, 353251), (61, 324296), (122, 162148), (244, 81074), (427, 46328), (488, 40537), (854, 23164), (1708, 11582), (3416, 5791)]